Okotoks, Alberta climate data is summarized below. Average annual temperatures range from 30.1 °F (low) to 51.4 °F (high). Annual precipitation averages 15.5 Inches. Okotoks is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24 °F | -18.4 °F | 0 in. |
| February | -23.6 °F | -17.8 °F | 0 in. |
| March | -21.2 °F | -15.1 °F | 0 in. |
| April | -18.8 °F | -12.2 °F | 762 in. |
| May | -15.9 °F | -8.9 °F | 2006.6 in. |
| June | -13.4 °F | -6.8 °F | 2743.2 in. |
| July | -11.6 °F | -4.4 °F | 1498.6 in. |
| August | -12.4 °F | -4.8 °F | 1092.2 in. |
| September | -15 °F | -7 °F | 1041.4 in. |
| October | -17.8 °F | -11 °F | 863.6 in. |
| November | -21.4 °F | -15.7 °F | 0 in. |
| December | -25 °F | -19.4 °F | 0 in. |
| Annual | 30.1 °F | 51.4 °F | 15.5 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |